Stack And DNS MCP is listed as active in the registry but did not answer our last check. 490 installs a week from npm. Last commit 4 Nov 2026.
Inspect any domain: tech stack, SPF/DKIM/DMARC/MX email health and security posture, for AI agents
Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add stack-and-dns-mcp --transport http https://mcp.example.com/mcp
https://mcp.example.com/mcp
[mcp_servers.stack-and-dns-mcp]
url = "https://mcp.example.com/mcp"
{
"mcpServers": {
"stack-and-dns-mcp": {
"url": "https://mcp.example.com/mcp"
}
}
}
{
"servers": {
"stack-and-dns-mcp": {
"type": "http",
"url": "https://mcp.example.com/mcp"
}
}
}
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.example.com/mcp | streamable-http | answering | 3 ms | 11 min ago |
Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day.
DomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.
DomainDNA: a domain's tech stack, email security (MX/SPF/DMARC), TLS expiry and age in one record.
Website intelligence for AI agents: tech stack, hosting, security posture, SEO, and DNS.
Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.
DNS, email-security and website intelligence for your domains: SPF/DKIM/DMARC, changes, subdomains.
Website and company intel for agents: DNS, WHOIS, SSL, tech stack, email security, profiles
Assess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.
Answers built from our own checks of this server.